Grabbe Variant for Forex Forums › ACCA Forums › ACCA AFM Advanced Financial Management Forums › Grabbe Variant for Forex This topic has 0 replies, 1 voice, and was last updated 16 years ago by umer1879. Viewing 1 post (of 1 total) Author Posts April 15, 2010 at 6:08 am #43531 umer1879Member can somebody help to that how can i use grabbe variant to calculate the price of the option it is confusing for me to which rate of return and which quote i have to use in the formula. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In